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For example, a 15-inch (38 cm) display whose dimensions work out to 12 inches (30.48 cm) wide by 9 inches (22.86 cm) high, capable of a maximum 1024×768 (or XGA) pixel resolution, can display around 85 PPI, or 33.46 PPCM, in both the horizontal and vertical directions. This figure is determined by dividing the width (or height) of the display ...
Megapixels Camera examples 32 32 1:1. 1024 0.001 Cromemco Cyclops (1975) 100 100 1:1. 10,000 0.01 Kodak Prototype by Steven Sasson (1975) 320 240 76,800 0.07 Casio QV ...
The image would be a very low quality image (72ppi) if printed at about 28.5 inches wide, but a very good quality (300ppi) image if printed at about 7 inches wide. The number of photodiodes in a color digital camera image sensor is often a multiple of the number of pixels in the image it produces, because information from an array of color ...
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PPI calculator Archived 2013-12-30 at the Wayback Machine – Shows dot pitch Pixels Per Inch PPI Calculator – Determines the number of pixels per inch of your display Megapixel Calculator – Identifies aspect ratio and displays photo and video storage requirements for different formats at a given megapixel number
A terapixel image is an image composed of one trillion (10 12) pixels.Though currently rare, there have been a few instances such as the Microsoft Research Terapixel project for use on the Fulldome projection system, [3] a composite of medical images by Aperio, [4] [5] and Google Earth's Landsat images viewable as a time-lapse are collectively considered over one terapixel.
Sizes are often expressed as a fraction of an inch, with a one in the numerator, and a decimal number in the denominator. For example, 1/2.5 converts to 2/5 as a simple fraction, or 0.4 as a decimal number. This "inch" system gives a result approximately 1.5 times the length of the diagonal of the sensor.
Pixel aspect ratio (PAR) The horizontal to vertical ratio of each pixel. Storage aspect ratio (SAR) The horizontal to vertical ratio of solely the number of pixels in each direction.